1. botânica   calculus   botany   psychology   trigonometry   Hint Half-n-half Clue   2. geometria   philosophy   geometry   botany   psychology   Half-n-half Clue   3. astronomia   calculus   chemistry   astronomy   biology   Half-n-half Clue   4. física   trigonometry   calculus   biology   physics   Half-n-half Clue   5. zoologia   astronomy   zoology   botany   trigonometry   Half-n-half Clue   6. história   philosophy   history   geography   algebra   Half-n-half Clue   7. biologia   physics   zoology   biology   botany   Half-n-half Clue